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From the Department of Zoölogy, University of California, Los Angeles
Abstract
A method for obtaining a heterologous acetone-soluble fraction from human cancerous tissue is described.
This fraction coupled with a protein was employed to obtain an antiserum by injection into rabbits.
Both the acetone-soluble fraction and its antiserum were subjected to experimental procedure by injection into rabbits previously inoculated intraocularly with Brown-Pearce carcinoma.
Two types of controls, both with intraocular implants, were used: (1) noninjected animals and (2) animals injected with normal antigen obtained from human non-cancerous tissue and with normal rabbit serum.
The tumor growth was not modified by injection with normal rabbit serum and acetone-soluble, protein-coupled fraction obtained from human non-cancerous tissue.
Inhibition of tumor growth was demonstrable in those animals inoculated with a rapidly growing Brown-Pearce tumor and injected with a heterologous acetone-soluble lipoid fraction obtained from human cancerous tissue and with its antiserum.
Footnotes
* These investigations were supported by a grant from the Jewish Fund for Medical Research to the University of California and carried out under the supervision of the Committee on Cancer Research.
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